<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .form-preview {
    position: relative;
    display: flex;
    align-items: center;
  }
  .form-preview h2 {
    font-size: 18px;
    font-weight: normal;
  }
  .form-preview small {
    font-size: 12px;
    display: inline-block;
    padding: 2px 6px;
    background: #27ba9b;
    color: #fff;
    border-radius: 2px;
    transform: scale(0.8);
  }
  .form-preview .btn-edit {
    font-size: 12px;
    display: none;
    text-decoration: none;
    color: #069;
    margin-left: 20px;
  }
  .form-preview:hover .btn-edit {
    display: block;
  }
  .form-edit {
    padding-top: 20px;
  }
  .form-item {
    display: flex;
    margin-bottom: 20px;
    align-items: center;
  }
  .form-item .label {
    width: 60px;
    text-align: right;
    font-size: 14px;
  }
  .form-item .input {
    flex: 1;
  }
  .form-item input,
  .form-item select {
    appearance: none;
    outline: none;
    border: 1px solid #ccc;
    width: 200px;
    height: 40px;
    box-sizing: border-box;
    padding: 10px;
    color: #666;
  }
  .form-item input::placeholder {
    color: #666;
  }
  .form-item .cancel,
  .form-item .submit {
    appearance: none;
    outline: none;
    border: 1px solid #ccc;
    border-radius: 4px;
    padding: 4px 10px;
    margin-right: 10px;
    font-size: 12px;
    background: #ccc;
  }
  .form-item .submit {
    border-color: #069;
    background: #069;
    color: #fff;
  }
    </style>
</head>
<body>
    <div class="article-case">
        <div class="form-preview" v-show="isShow">
          <h2>{{title}}</h2>
          <small>{{pinjia}}</small>
          <a class="btn-edit" href="#" @click="onAdd3()">编辑</a>
        </div>
        <div class="form-edit" v-show="boxshow">
          <div class="form-item">
            <div class="label">标题：</div>
            <div class="input">
              <input type="text" placeholder="请输入标题" v-model="title"/>
            </div>
          </div>
          <div class="form-item">
            <div class="label">频道：</div>
            <div class="input">
              <select v-model="pinjia">
                <option value="">请选择频道</option>
                <option value="前端">前端</option>
                <option value="运维">运维</option>
                <option value="测试">测试</option>
              </select>
            </div>
          </div>
          <div class="form-item">
            <div class="label"></div>
            <div class="input">
              <button class="cancel" @click = "onAdd2()">取消</button>
              <button class="submit"  @click="onAdd()">确认</button>
            </div>
          </div>
        </div>
      </div>
</body>
<script src="https://cdn.jsdelivr.net/npm/vue@2/dist/vue.js"></script>
<script>
  new Vue({
    el:'.article-case',
    data:{
      isShow:true,
      boxshow:false,
      title:'如何成为一名前端老鸟？',
      pinjia:'前端'
    },
    methods:{
      onAdd(){
        this.isShow = true
        this.boxshow = false
      },
      onAdd2(){
        this.pinjia ='',
        this.title =''
      },
      onAdd3(){
        this.isShow = false
        this.boxshow = true
      }
    }
  })
</script>
</html>